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davie

hot pressure washers

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So on the edge of landrover related here but used on them so hope ok

thinking of buying a electric powered with diesel burner heated pressure washer for use between landy, log splitter, tractor

 

see karcher - mac international - lavor often on sites like evil bay

new only for warranty.

 

what have folks used/recommend?

 

 

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easy enough to use?

how was reliability overall.

 

i see lavor units but easily 1000 quid below other new units so wary.

 

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ISTR there was a guy on eBlag who serviced & reconned Karchers as his main business, and would flog 2nd hand units that he'd rebuilt for very good money with some guarantee. Long time ago I saw it though.

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We have an edge at work. You can do hot or cold water or steam and add water softener and detergent if you like. 240v pump with a diesel burner for heat. It's pretty old now, cold be getting towards 20 years. When we had lorries it was used regularly and worked ok although an annual service was a fortune, as much as a service on a car. Now it never really gets used, just steam bits of machinery or wash the forklifts every few years and we have to nurse it along a bit. Tend to get problems with valves not shutting off or the burner not igniting from time to time. For it's age and lack of use I guess you can't really knock it. 

For washing vehicles it still leaves that film on that you need to use a brush or sponge for and they're pretty expensive so I'm not sure how much value you'd get over a good quality cold pressure washer? Could you connect a normal pressure washer to the hot tap :lol:

I have a cold Nilfisk at home which I bought as the Karcher range had gone to wireless controllers which just seemed overkill and like something that would go wrong. I've been happy with it so far, they do hot water washers i believe. 

Edited by Cynic-al

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For "that film" you could try TFR (Traffic Film Remover).

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1 hour ago, FridgeFreezer said:

For "that film" you could try TFR (Traffic Film Remover).

I still find it needs a brush to remove it - a gentle wipe over seems to be enough but yet the pressure washer won't touch it

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i use TFR currently and definetly needs a wipe but doesnt do too well on hydraulic oil or grease hence heat.

 

having a look at nilfisk, some nice units there.

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I bought a reconditioned one off a steam cleaner service and repair man. its a big twin axle thing with a stainless cover. It was £650 about 12 months ago. id say it has more pressure and is hotter at full temp than the archers we used to get at work, these would typicially last about 4-5 years before total death but were doing about 4 hours a day seven days a week.

 

some proper TFR from autosmart or similar works wonders with an extendable wash brush.

 

I think running them through with cold water after a hot wash, not letting them freeze and regular use is a major factor in longevity.

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good point about clean cold water at end - guess a nice flush for system. shed is insulated and never below 5 degrees as theres a heater in there.

 

 

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I have had a Gerni hot or cold machine since 2002. Its a professional machine but I only use it for my own stuff, so its not had a massive amount of use. However, it always works properly, and never let me down. I am still on the original lance and hose, but then I do take care of it and do not run over the hose.

I don't think they are sold in this country now, but they look mighty similar to the Nilfisk machines.

Incidentally, I worked for an Agricultural and Plant dealership until 2001. We had a hot pressure washer there, which the guys all used, and when I left, I missed having one, hence I bought my own. We were a Karcher agent, and back then, the projected life of their small cold machines was...…..

8 HOURS !

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I've tried a couple of different detergents through it over the years but it was never that good, you always had to brush it to get the film off. Obviously it was good for knocking solid lumps off before you brushed it to save scratches and for doing the chassis etc, we supply concrete factories and the vehicles get covered in cement which hardens and scratches if you just went straight at it with a sponge or brush. In the end I just took the lorries through a truck wash or asked the garage to wash them when they went for their inspection as it was easier, we don't run lorries any more and sub all the work out now so it's only pickups or vans that need cleaning and you can do those anywhere. 

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3 hours ago, Cynic-al said:

I've tried a couple of different detergents through it over the years but it was never that good, you always had to brush it to get the film off. Obviously it was good for knocking solid lumps off before you brushed it to save scratches and for doing the chassis etc, we supply concrete factories and the vehicles get covered in cement which hardens and scratches if you just went straight at it with a sponge or brush. In the end I just took the lorries through a truck wash or asked the garage to wash them when they went for their inspection as it was easier, we don't run lorries any more and sub all the work out now so it's only pickups or vans that need cleaning and you can do those anywhere. 

might be of use to you,

autosmart do a product called Congo which is for cleaning concrete & other residues from vehicles

https://autosmart.co.uk/products/ccon114d-congo

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On 1/23/2019 at 12:42 PM, RedLineMike said:

autosmart do a product called Congo which is for cleaning concrete & other residues from vehicles

They love a good name - we used to use their tar remover, called "tardis" :lol:

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Well I got it out for the first time this year and me saying that it was at the age that needed 'nursing' is clearly unfounded. The heat and soap worked straight away, even the pressure gauge was showing good pressure...

 

20190128_094711.jpg

20190128_094700.jpg

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  • Haha 3

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That, is a pretty hilarious mode of failure :) 

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On 1/20/2019 at 6:38 PM, davie said:

easy enough to use?

how was reliability overall.

Sorry for the delay, it worked well when it was coaxed into life, but a lack of care and maintenance made it a frustrating process.

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so to drag back up,

 

this has been a little frustrating as selling old petrol unit privately has resulted in 3 folks expressing interest, one even messaging at time he was due to arrive to say had bought new elsewhere.

 

so i am virtually a done deal on mac drop revolution 11/120 unit from same folks i bought original unit from. they have offered a good trade in so hard to refuse. Local company so perfect support etc.

will post a bit of review once deal done and its here.

 

 

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On 1/22/2019 at 12:39 PM, Cynic-al said:

Could you connect a normal pressure washer to the hot tap :lol:

 

yes you can and it works quite well... until the heat melts the hose pipe........ DAMHIK !!!!!

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